Total Voting Rights

Invensys PLC
02 April 2008

                                 INVENSYS PLC

                                (the "Company")



VOTING RIGHTS AND CAPITAL



In conformity with the Disclosure and Transparency Rules, we would like to
notify the market of the following:



At close of business on 31 March 2008 the Company's issued capital consisted of
797,122,470 Ordinary shares of 10p each. No shares were held in treasury at the
date of announcement.


Therefore, the total number of current voting rights in the Company was
797,122,470.



The above figure (797,122,470 Ordinary shares) may be used by shareholders as
the denominator for the calculation by which they will determine if they are
required to notify their interest in, or a change to their interest in, the
Company under the FSA's Disclosure and Transparency Rules.



Name of contact and telephone number for queries: Steve Devany, Vice President,
Communications 020 7821 3758



Name of Company official responsible for making notification: Jessica Wildgoose,
Secretarial Assistant.



Date of notification: 3 April 2008















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